package test;

import java.io.IOException;

public class Long {
    public static void main(String[] args) {
        System.out.println("hello world");
        int[] num = new int[400000000];
        long startTime = System.currentTimeMillis();
        for (int i = 0; i < num.length; i++) {
            num[i] = i;
        }
        System.out.println(System.currentTimeMillis() - startTime);
        try {
            System.in.read();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
